Home / 717,245.64-1,075,743.59-267,970.23

Finding the Fourth Proportional to 717,245.64, 1,075,743.59 and 267,970.23

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Solution

The fourth proportional to 717,245.64, 1,075,743.59 and 267,970.23 is: 401,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,245.64 : 1,075,743.59 = 267,970.23 : x
  2. Step 2: Convert to fraction form
    717,245.64/1,075,743.59 = 267,970.23/x
  3. Step 3: Cross multiply
    717,245.64x = 1,075,743.59 × 267,970.23
  4. Step 4: Simplify right side
    717,245.64x = 288,267,255,893.48
  5. Step 5: Solve for x
    x = 288,267,255,893.48/717,245.64
  6. Step 6: Final answer
    x = 401,908.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.